Need clarification about Page Views count in an ASP.Net site

<asp:DataGrid ID="dgadvetise" runat="server" AutoGenerateColumns="False"


                        onpageindexchanged="dgadvetise_PageIndexChanged"

                        PageSize="5" AllowPaging="True" AllowSorting="True" DataKeyField="ID">
                        <PagerStyle HorizontalAlign="Center" Mode="NumericPages"
                         Position="TopAndBottom"/>

                    <Columns>
                            <asp:BoundColumn DataField="ID" HeaderText="Image ID" Visible="False" />
                            <asp:BoundColumn DataField="Name" HeaderText="Name" />
                            <asp:BoundColumn DataField="Link" HeaderText="Link" />
                            <asp:TemplateColumn HeaderText="Image">
                                <ItemTemplate>
                                    <ul class="hoverbox">
                                        <li>
                                            <a href="#"><img id="imgSmall" src='Picture/<%# DataBinder.Eval(Container, "DataItem.ImagePath") %>' alt="Gallery Image" width="100" height="100" /></a>
                                        </li>
                                    </ul>
                                </ItemTemplate>
                                <EditItemTemplate>
                                    <asp:FileUpload ID="flUploadGrid" runat="server" ForeColor="#2A2F0F"></asp:FileUpload>
                                </EditItemTemplate>
                                <HeaderStyle Width="110px" />
                            </asp:TemplateColumn>
                            <asp:EditCommandColumn CancelText="Cancel" EditText="Edit" HeaderText="Modify" UpdateText="Update"/>
                            <asp:ButtonColumn CommandName="Delete" Text="Delete" HeaderText="Remove"/>
                        </Columns>
                    </asp:DataGrid>
                    <asp:SqlDataSource ID="nayumaadminconnectionstring" runat="server"
                        ConnectionString="<%$ ConnectionStrings:nayumaConnectionString %>"
                        SelectCommand="SELECT * FROM [Details]"></asp:SqlDataSource>

protected void dgadvetise_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
    {
        dgadvetise.CurrentPageIndex = e.NewPageIndex;

        BindGrid();
    }
protected void BindGrid()
    {
        cls.PopulateGrid(dgadvetise, "Select ID, Name, Link, ImagePath from Details order by ID", this.Page);
    }

public void PopulateGrid(GridView grdView, string sqlQuery, Page form)
    {
        try
        {
            adp = new SqlDataAdapter(sqlQuery, conn);
            tbl = new DataTable();
            adp.Fill(tbl);
            grdView.DataSource = tbl;
            grdView.DataBind();
        }
        catch (Exception ex)
        {
            MsgBox("Populate GridView Error: " + ex.Message, form);
        }
    }